/* optspline - Optimally fit a cubic spline to sampled points
 * Copyright (C) 2001-2009 Ricardo Biloti <biloti@ime.unicamp.br>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

int spline(int *n, double *x, double *y, double *b,
	   double *c__, double *d__);

double seval(int *n, double *u, double *x, double *y,
	     double *b, double *c__, double *d__);

int sgheval(int *n, double *u, double *x, double *y,
	   double *b, double *c__, double *d__,
	    double *s, double *g, double *h);
